Last Glacial Cycle and seismic stratigraphic sequences offshore …

A late Pleistocene delta (Hainan palaeo river delta, HNPD hereafter) exceeding 25,000 km2 offshore Hainan Island, northwestern South China Sea (SCS), is investigated using high-resolution seismic ...

Hainan becomes important domestic petroleum and gas …

CNOOC has built the largest offshore gas field group in China in the waters around Hainan Island, and Hainan has become an important base for domestic …

All you need to know about Hainan's offshore duty-free policy

All you need to know about Hainan's offshore duty-free policy. Updated: Source: China Daily. To boost the high-quality construction of the Hainan free trade port, an announcement on Hainan's offshore duty-free shopping policy was issued and came into effect on July 1, 2020.

Pre-drilling prediction techniques on the high-temperature …

Decreasing the risks and geohazards associated with drilling engineering in high-temperature high-pressure (HTHP) geologic settings begins with the implementation of pre-drilling prediction techniques (PPTs). To improve the accuracy of geopressure prediction in HTHP hydrocarbon reservoirs offshore Hainan Island, we made a …

Distribution, source, and pollution assessment of heavy metals in a

Forty-four surface sediments from a offshore area are analyzed for assessing heavy metals (Cu, Pb, Zn, Cr, Cd, Hg, and As) pollution. High metal values except for As are located in the southern areas which have fine-particle presence. However, high values of the metal As appear at a depth of 15-30 m in the Yazhou Bay.

Tidal Effects on the Surface Water Cooling Northeast of Hainan Island …

The model domain covers all of Hainan Island, as well as the Beibu Gulf in the northwestern SCS from 13°N to 23°N and 105°E to 115°E (as shown in Figure 1), with a horizontal resolution of 1/30° (approximately 3.6 km) and 47 vertical layers in sigma (terrain following) coordinates refined in both the upper and near-bottom parts of the ocean.

Water | Free Full-Text | Summer Chlorophyll-a Increase …

There are generally high chlorophyll-a concentrations (Chl-a) where upwelling is prevalent. High Chl-a is often observed in upwelling areas of the northeastern coast of Hainan Island during the summer. Using the satellite remote sensing data, including sea surface temperature, sea surface wind and Chl-a data from 2009 to 2022, we analyze the …

(PDF) Effects of offshore artificial islands on beach stability …

Ridao Island in Hainan Province, the beach in the shadow area of the island silted upward, with a total siltation length and width of approximately 1500 and 370 m,

Spatiotemporal variation, composition of DIN and its

Hainan Island is the second largest Island in China. The sea area under its jurisdiction is about 2 million km 2, accounting for 42.3% of the national sea areas. The total length the coastline of Hainan Island is 1618 km. ... Offshore monitoring stations with P i > 1, exceeding the CNSWQS first grade, were located in Chengmai County and Haikou ...

Effects of offshore artificial islands on beach stability of …

Artificial island-type reclamation often exerts certain impacts on near-shore sandy shoreline resources and coastal ecological landscapes. The relationship between artificial islands and offshore beach evolution has attracted considerable attention in coastal protection and engineering construction. In this study, we consider Hongtang Bay …

Seismic features and origin of fluid escape pipes offshore Hainan

Here we present an example offshore Hainan Island in the northern South China Sea (SCS) where buried mass transport deposits (MTDs) played an important role in the formation of fluid escape pipes ...

Stratigraphic architecture and evolution of the continental …

Here we present an example offshore Hainan Island in the northern South China Sea (SCS) where buried mass transport deposits (MTDs) played an important role in the formation of fluid escape pipes ...

PowerChina to Invest in Floating Offshore Wind Farm in Hainan

Hainan Clean Energy Generating Capacity Reaches 72%. Hainan is developing offshore wind power to turn itself into a safe, efficient and clean energy island. At present, Hainan's clean energy generating capacity is as high as 72%, an increase of 25 percentage points over 2015 and 18 percentage points higher than the national average.

Quaternary evolution of the rivers of northeast Hainan Island…

Hainan Island (Fig. 1) is a mountainous (reaching 1867 ... Headlands and offshore shoals are pinned on granitic bedrock. At present, no rivers drain from the mountainous interior to this area and Ti-rich placer sands are abundant along the coast (Zeng et al., 2011).

5 Days in Hainan: Itinerary with Top 15 Things to Do

1. a. Located in the south-east of the island, by the sea, a () is undoubtedly the most touristic city in Hainan. Crossed by the a River, the city is modern, with a few buildings of improbable architecture. Here are the things to do and see in the city of a: The Bay of a, its huge sandy beach and its seaside …

Strike-slip faulting on the northern margin of the South …

In December 1969, two earthquakes (m b = 4.7and4.8) occurred in a rift basin offshore of Hainan Island, China, in a passive continental margin environment.By modeling short-period P and long-period SH waveforms recorded at WWSSN stations, we have determined the focal mechanisms and source parameters of these two events to …

Heavy mineral sands resources in China

About 200 known coastal deposits of heavy mineral sands (HMS) occur in China, in which considerable mineral resources of titanium, zircon, rare earth elements, and thorium exist in the forms of ilmenite, rutile, zircon, and monazite. More than 20 of these HMS deposits are reported as having been or are actively being mined in China during the past three …

Stay on the Cutting Edge

The ambitious Hainan project was announced in Q1 2021 with an estimated completion date of Q2 2025. The data center will cost approximately $879 million to build. Stay on the Cutting Edge

Distribution, source, and pollution assessment of heavy metals in a

Location of surface sediments in a offshore area, south Hainan Island. a Bay is a large and open harbor coast, starting from the southern end of Luhuitou in the eastern peninsula and reaching Dongjiaoling cape to the west of Maling city (Fig. 1). The coastline of the bay spreads slightly curved from east to west with a coastline length ...

Environmental implications of spatial and temporal …

Purpose This study investigated the spatial and temporal changes of elemental concentrations and their influencing factors, based on geochemical analysis of four sediment cores collected from the eastern shelf of Hainan Island, South China Sea, with different distance gradients from the coast. Methods Samples used in the study, the …

Chinese operator buys jack-up drilling rig for "extremely

Rig arrives offshore Hainan island before being retooled for a shallow-water campaign in China. At anchor: the KS Java Star offshore Hainan Island before being reactivated for a campaign in China ...

Total offshore trade volume of Hainan in January-May …

As of the end of May, the total offshore trade volume in Hainan has reached 91.452 million USD, which exceeds that of the whole year of 2019. Currently, the …

PREDICTING SAND-LAYER DISTRIBUTION IN OFFSHORE AREA OF EASTERN HAINAN

Abundant rare elements and precious metals are found in the coastal deposits of the east Hainan Island. High-resolution single-channel seismic survey is conducted to effectively define the spatial distribution of the placers in the shallow part of the sea, according to the difference in seismic wave impedance in the sediments consisting of different minerals.

Li Renjun calls for Hainan FTP to develop offshore …

Print. Li Renjun, an economics professor at Hainan University, delivered a speech calling for the development of the offshore trade in Hainan Free Trade Port (FTP) during the …

Seismic characteristics and sedimentary record of the

A late Pleistocene delta (Hainan palaeo river delta, HNPD hereafter) exceeding 25,000 km 2 offshore Hainan Island, northwestern South China Sea (SCS), is investigated using high-resolution seismic and core data to understand the relationship between subaqueous delta development and climate drivers during the Last Glacial Period. The seismic data …

Hainan update: New offshore duty free rules a travel retail …

CHINA. Further key details have emerged of the changes to China's offshore duty free shopping policy to be introduced in Hainan province on 1 July, including a tremendous boost to the travel retail wines & spirits sector. As revealed by The Moodie Davitt Report, the Chinese Ministry of Finance, the General Administration of Customs …

Effects of Biotic and Abiotic Factors on the …

in the Hainan Island offshore area. The survey area was 16 450–20 150N, 107 150–112 150E, and comprised a total of 54 survey stations (Figure1). The Qiongzhou Strait, located in the northern part of Hainan Island, is deemed unsuitable for trawl survey due to topo-graphical and hydrological factors.

Last Glacial Cycle and seismic stratigraphic sequences offshore …

In order to investigate the relationship between sea-level changes during the Last Glacial Cycle (LGC) and seismic stratigraphic sequences on the NW continental shelf of the South China Sea, a sparker single-channel high-resolution seismic profiling was correlated with a sediment core taken offshore western Hainan Island.

PREDICTING SAND-LAYER DISTRIBUTION IN OFFSHORE …

Abundant rare elements and precious metals are found in the coastal deposits of the east Hainan Island. High-resolution single-channel seismic survey is conducted to effectively …

A multiproxy reconstruction of Asian winter monsoon

Request PDF | On Mar 1, 2024, Jiawen Yang and others published A multiproxy reconstruction of Asian winter monsoon variability since the last glacial from southeast offshore Hainan Island, South ...